Thermal and Magnetic Properties of Maghemite γ-Fe2O3 Synthesized by a Precursor Method


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Abstract

Low-dimension ferromagnetic maghemite γ-Fe2O3 was synthesized through a precursor route, using basic iron formate Fe(OH)(HCOO)2 as a precursor. Conditions of formation of γ-Fe2O3 and the temperature range of its existence on heating in air were determined. The saturation magnetization of γ-Fe2O3 produced through heating the precursor at 350°C 57.5 (T = 4.2 K) and 43.8 emu/g (T = 300 K).

About the authors

V. N. Krasil’nikov

Institute of Solid State Chemistry, Ural Branch

Author for correspondence.
Email: kras@ihim.uran.ru
Russian Federation, Yekaterinburg, 620990

O. I. Gyrdasova

Institute of Solid State Chemistry, Ural Branch

Email: kras@ihim.uran.ru
Russian Federation, Yekaterinburg, 620990

A. P. Tyutyunnik

Institute of Solid State Chemistry, Ural Branch

Email: kras@ihim.uran.ru
Russian Federation, Yekaterinburg, 620990

T. V. Diachkova

Institute of Solid State Chemistry, Ural Branch

Email: kras@ihim.uran.ru
Russian Federation, Yekaterinburg, 620990

I. V. Baklanova

Institute of Solid State Chemistry, Ural Branch

Email: kras@ihim.uran.ru
Russian Federation, Yekaterinburg, 620990

V. V. Marchenkov

Mikheev Institute of Metal Physics, Ural Branch; Yeltsin Ural Federal University

Email: kras@ihim.uran.ru
Russian Federation, Yekaterinburg, 620990; Yekaterinburg, 620002

A. N. Domozhirova

Yeltsin Ural Federal University

Email: kras@ihim.uran.ru
Russian Federation, Yekaterinburg, 620002

V. G. Bamburov

Institute of Solid State Chemistry, Ural Branch

Email: kras@ihim.uran.ru
Russian Federation, Yekaterinburg, 620990


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